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Marylebone Diagnostic Centre > Our Latest Blog Posts > Health > Allergy Blood Tests in London – Accurate, & Trusted by Locals
Book Your Allergy Tests in London Today!

Allergy Blood Tests in London – Accurate, & Trusted by Locals

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By Tharb Faisl

If you suffer from unexplained symptoms like sneezing, fatigue, digestive issues, or skin rashes, allergies may be the root cause. At Marylebone Diagnostic Centre, we offer same-day private allergy blood tests in London to help you identify the trigger and take control of your health.

Why Test for Allergies?

Allergies can be difficult to detect without medical testing. Common symptoms include:

  • Persistent sneezing, congestion, or sinus problems
  • Skin rashes or eczema
  • Bloating, cramps, or digestive discomfort
  • Itchy eyes or throat
  • Feeling tired all the time

Rather than guessing, allergy blood testing gives you clear answers so you can avoid triggers and feel better faster.

➤ Book Your Allergy Tests in London Today!

What Do Our Allergy Blood Tests Cover?

We test for the most common allergens affecting people in the UK, including:

Food Allergies:

  • Wheat
  • Gluten
  • Eggs
  • Milk (Dairy)
  • Nuts (Peanuts, Tree Nuts)
  • Shellfish

Environmental Allergies:

  • House Dust Mite
  • Pollen (Grass, Tree, Weed)
  • Animal Dander (Cat, Dog)
  • Moulds

Additional Add-On Tests:

  • Latex allergy
  • Insect venom
  • Chemical sensitivities

All results are reviewed and benchmarked against the Marylebone High Standard for accuracy and reliability.

➤ Book Your Allergy Tests in London Today!

Where Can You Book a Test?

Our clinic is conveniently located just off Baker Street, within walking distance of:

Marylebone Diagnostic Centre Front
  • Harley Street
  • Marylebone
  • Kings Cross
  • Paddington
  • Euston
  • Oxford Street

Same-day appointments and walk-ins are welcome.

➤ Book Your Allergy Tests in London Today!

What to Expect During the Test

  1. Friendly consultation with our experienced staff
  2. Simple blood draw (takes just a few minutes)
  3. Lab processing by expert teams
  4. Results ready within 24–48 hours (varies by test)
  5. Follow-up support available upon request

➤ Book Your Allergy Tests in London Today!

FAQs About Allergy Blood Tests

How much does an allergy test cost?
Prices start from £89. Full allergy profiles are available from £149.
Is this better than skin prick testing?
Blood testing is more suitable for those with skin conditions, small children, or who are on antihistamines.
Do I need to stop eating foods before testing?
No. Our tests detect antibodies in the blood, so you don’t need to fast or avoid certain foods beforehand.
Will I get a full breakdown of results?
Yes. Your results will include all allergens tested and any reaction levels.

➤ Book Your Allergy Tests in London Today!

Why Choose Marylebone Diagnostic Centre?

Central London location
Fast, discreet, walk-in service
Accurate allergy testing with clear results
Trusted by locals and healthcare professionals alike
Easy online booking and no GP referral needed

➤ Book Your Allergy Tests in London Today!

Book Your Allergy Blood Test Today

Don’t let allergies control your life. Find out exactly what’s causing your symptoms with our trusted private testing.

Book Now at Marylebone Diagnostic Centre

Read More:

➤ NHS – Allergies Overview
➤ British Dietetic Association – Food Allergy vs Intolerance